Powertrain
generic / SAE
P07D7
Stuck in Gear 8
The transmission has entered 8th gear but cannot leave it on command — typically a stuck shift solenoid or a stuck-on friction element holding the 8th-gear pattern locked. The TCM forces limp-home mode if upshift/downshift attempts fail repeatedly.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number7 / D7
Possible causes
- Stuck shift solenoid high
- Stuck-on friction element medium
Symptoms
- Check engine or transmission warning light on
- Harsh, delayed, or missing shifts
- Possible limp mode (locked in one gear)
- Slipping or shuddering during gear changes
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 400–3000 €
- Estimated time: 2–10 h
- Component: shift solenoid
- Component: clutch pack
- MIL / check engine light
Sources
References
sae:J2012